package com.cw.mapper;

import com.cw.pojo.Emp;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.time.LocalDate;
import java.util.List;


@Mapper
public interface EmpMapper {

    //查询总记录数
//    @Select("select count(*) from emp")
//    Long count();

    //进行分页查询,获取列表数据
//    @Select("select * from emp limit #{start},#{pageSize}")
//    List<Emp> page(Integer start, Integer pageSize);


    //员工信息查询(使用插件)条件查询动态SQL
//    @Select("select * from emp")
    List<Emp> list(String name, Short gender,
                   LocalDate begin, LocalDate end);

    void delete(List<Integer> ids);

    @Insert("insert into emp (username,name,gender,image,job,entrydate,dept_id,create_time,update_time)" +
            "values (#{username},#{name},#{gender},#{image},#{job},#{entrydate},#{deptId},#{createTime},#{updateTime})")
    void insert(Emp emp);

    @Select("select * from emp where id = #{id}")
    Emp getById(Integer id);

    void updateById(Emp emp);

    @Select("select * from emp where username = #{username} and password = #{password}")
    Emp getByUsernameAndPassword(Emp emp);

    @Delete("delete from emp where dept_id = #{deptId}")
    void deleteByDeptId(Integer deptId);
}
